Zoology. The protruding forepart of the head of a tapeworm, typically armed with hooklets or spines.
| 单词 | θ32440 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of > segmented > hooked part of head (1) rostellum1837 Zoology. The protruding forepart of the head of a tapeworm, typically armed with hooklets or spines. |
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